2014 Specialized Bicycles Sirrus Base SM
Build
700C/29 in × 28 mm
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 584mm |
| Reach | 394mm |
| Stack to Reach Ratio | 1.48:1 |
| Seat Tube Length, C-T | 440mm |
| Top Tube Length, Effective/Horizontal Center | 570mm |
| Top Tube Slope | 17.4deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 73.25deg |
| Head Tube Length | 150mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 269mm |
| Chainstay Length | 445mm |
| Chainstay Length Horizontal | 439.5mm |
| Front-Center | 629mm |
| Front-Center Horizontal | 625.5mm |
| Wheelbase | 1065mm |
| Fork Offset/Rake | 51mm |
| Fork Length, Unknown | 410mm |
| Trail | 62.8mm mid/neutral |
| Mechanical Trail | 59.4mm |
| Wheel Flop | 19.3mm |
| Standover Height | 750mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 120mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 99mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1743mm |
| Crank Length | 170mm |
| Handlebar Width | 580mm |
| Stem Length | 90mm |
| Stem Angle | 20deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | Steel |
| Brake Type | Rim |
Published Sizing Recommendations
| Height | 155 cm to 165 cm |
Source:https://www.specialized.com/us/en/sirrus/p/49608?color=149468-49608